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1Tropical root crops. Root crops and the African food crisis. Proceedings Tropical root crops. Root crops and the African food crisis. Proceedingsby Terry, E.R. (ed.) 1423211777324, International Society for Tropical Root Crops, Ibadan (Nigeria). Africa Branch eng 406720, International Society for Tropical Root Crops. Symposium eng 17-23 Aug 1986 3 Owerri (Nigeria) 13590, Akoroda, M.O. (ed.) 1423211777325, Arene, O.B. (ed.) 1423211777326, International Development Research Centre, Ottawa, Ontario (Canada) eng 175818
Published 1987Texto bibliotecaFAO IT